The Book of Darkness was a supreme treasure crafted by the Lord of Destruction. Whoever possessed it could command all demons and become their master.
Abyssal demons had been one of the pinnacle races of the Dark Abyss since ancient times, as well as one of humanity's greatest threats.
There was no shortage of Tier 6 demons among demons, much less Tier 5 demons.
Through the power of space-time, the Book of Darkness could summon demons from the Dark Abyss.
However, the Book of Darkness had already been damaged and could not wield its true power. At present, its greatest limit was summoning a Tier 5 Great Demon King.
"Your Majesty Thunder Emperor, do you think this item might help?" Shi Feng took the hefty Book of Darkness from his bag. The dense Power of Darkness emanating from it was enough to make one's heart tremble at a glance.
NPCs without specific quests could not seize anything owned by players, so Shi Feng was not worried that an NPC would take the Book of Darkness from him. Nothing would happen if he brought it out. Although NPCs could not seize it, they could use it.
Still, Shi Feng could not be certain whether Thunder Emperor Caesar, in his current state, could use the Book of Darkness.
"The Book of Darkness!" Thunder Emperor Caesar recognized it at first glance, his expression filled with surprise. "I never expected a little fellow like you to obtain such a treasure. Unfortunately, the Book of Darkness has been damaged and cannot display its true power. Otherwise, with this book's original power, closing or opening a passage to the Dark Abyss would be effortless."
Shi Feng was stunned upon hearing this.
A passage to the Dark Abyss was not so easily opened or closed. Otherwise, the